Improvement in spinning-mules



NITED STATES "PATENT "OFF-Ion.

PETER MCGOVERN, OF NORTH ANDOVER, MASSACHUSETTS, ASSIGNOR TO GEORGE L. DAVIS, JOHN A. WILEY, JOSEPH M. STONE, GEORGE G. DAVIS, JOSEPH H. STONE, AND JAMES H. DAVIS, OF SAME PLACE.

IMPROVEMENT IN SPINNING-MULES.

Specification forming part of Letters Patent No.153,975, dated August 11, 1874; application filed November 6, 1873.

To all whom it may concern Be it known that I, PETER MGGOVERN, of North Andover, in the county of Essex and State of Massachusetts, have invented certain Improvements in Mules for Spinning, of which the following is a specification:

The subject-matter of my improvements re lates to the construction of the devices by which the severalmovements are imparted to the mechanism in a mule or jack for spinning; and some of said improvementshave more especial reference to the spinning-jack patented to me April 18, 1871, No. 113,784, which will be referred to in this description to explain their operation; and some of them are applicable to other forms of self-operating mules or jacks for spinning.

My first improvement relates to the mechanism by which the shipper of the runningout scroll is operated so that its movement of engagement will be under the control of the main shipper instead of the floor-rod, by which it was done in my aforesaid Patent No. 113,7 84:; and consists in combining with the-shipperlever of the running-out scroll a catch or look that is withdrawn by the action of the main shipper instead of the floor-rod, which disengages said clutch when the carriage is run out, by which arrangement the outward movement of the carriage is moreaccurately timed to the other movements of the machine.

My second improvement relates to the method of operating the said-floor-rod which works the said clutches of the running-out scroll and the drawing-in gear; and consists in connectingthe said rod with the slide or other device that works the said clutches by a sliding connection, which permits the rod to move lengthwise a certain distance before it moves the slide; 1 and in combining with the forward, and a latchfor other detent to hold it in a forward position, and an incline or its equivalent upon the rod that will raise the latch when the rod has been drawn forward to adetermined point, and allow the slide to move forward, and thus cause the clutches to be operated instantly, as will be-more particu} larly described.

My third improvement relates to the manner of connecting and disconnecting the windingmechanism to andfroni the main drum of the spindle=carriage=bythe action of the latchrod that works the faller and consists in makin g such connection by means of a clutch upon said drum, which is worked by the rocker shaft in the spindle-carriage, which is marked 0 inmy aforesaid Patent No. 113,784, or by other equivalent intermediate mechanism, by which the engagement and disengagement of the winding mechanism are produced by the operation of the latch-rod or its equivalent instead of the drum and winding-gear by frictional devices,as was before done.

My fourth improvement relates to the construction of the copping-rail (so called) which guides the faller in the building of the bobbin or cop; and consists in combining with the inner end of the rail a short projecting incline, which has the effect to give to the faller a short downward movement while guiding the yarn upon the pointof the bobbin to bind the yarn upon thesame, which is called the duck ing movement, the details of which will be described.

My fifth improvement consists in the combination, with the faller-shaft, of an inclined bar, which is mounted upon an arm thereof, by the operation of which the counter-faller is released and raised under the yarn gradually without a shock, as will be described.

My sixth improvement consists in combinin g with the friction-cones which drive the spindles backward toback oif the yarnan aircushion or inclosed space for confining the air, anda vent, by which their engagement is made less sudden, a shock is avoided, which occurs whenthe engagement is instantaneous,

1 and their disengagement is properly effected. slide or equivalent a spring to draw the same In the drawings, Figure 1 is a sectional elevation. Fig. 2 is a plan. Fig. 3 is a sectional elevation, lookingin the opposite direction to Fig. 1; and Figs. 4, 5, and 6 are details of detached parts.

Apart only of the machinery of a: mule or jack is shown, sufficient to; show the application of my improvementsth'ereto, the remainder being constructed in any usual way.

- which is provided with a groove,

A is the frame of the machine; B, the rollerbeam; 0, the spindle-carriage; D, the main driving-shaft, all constructed in the usual way, or as-are shown in my aforesaid patent.

: E is theclutch for'drivin g the drawing-in pin-- ion E, which works in the rack on the gabrod, which draws in the spindle-carriagewhile the head-twist is being put in. Theteeth I fore done, to stop the outward movement of :the spindle-carriage; but, instead of putting the clutch into gear by'the reversed movement of the slide F, asbefore done, a block or catch, G, is used in connection with it, which is connected with and operated by the shippershaft W, as shown, which is slipped under the end: of said shipper-lever when raised, -and holds the lever up until the said block is withdrawn. by the action of the shipper coincident with the other operations controlled by it.

The slide F is'connectedwith the long floon rod F by a sliding connection at E as shown in-Fig. 5, which permits the rod tomove. a .short distancelengthwise Without moving the slide. The slide is drawn toward the front'by the spring F and is-also provided with a latch or detent, F3, which catches and holds the slide F by a shoulder, F when it is pushed back by the floor-rod. This'latch is provided with a pin, f which-projects .overthe floorrod, as seen in Figs. 1 and 5, and the floor-rod is provided with an incline, f which, as the rod is drawn to the front, takes under the pin f and raises the latch from the shoulder F, and allows the slide F to fly forward by the action of the spring F and instantly disengage the running-out scroll and put in gear the drawing-in clutch E; a

This improved construction is to obviate the difficulty of the slowness of the movement given to the floor-rod by the carriage at the time that thesetwo operations are required, and renders them instantaneous. The floor-rod F is moved by the spindle-carriage, as was before done. H is the main drum, which drives the spindles. I is;the winding-drum, which is driven, by the chain J vin the usual way,

and, by the gear I, drives the drum H through the gear H, which runs loosely upon its shaft. The gear H, is, made. to engage with the drumshaft by means of a clutch, H the hub of j p as shown, and is worked by a lever, J, which isworked by an arm, 0, upon the rocker-shaft 0 before mentioned. The upper end of the arm 0 works upon the incline j at the outer end of the lever J, and, by its vibrations back and forth, im-

partsa lateral movement. to the lever, suffi- ,cient to operate the. clutch H the lever being held against the arm 0 by the spring K. The

position of this arm 0 on the rocker-shaft 0 (shown'in the drawing) is that which it would the shafto, as is shown in Fig. 6 of the aforesaid Patent No. 113,784, which swings the arm 0 to the front, as shown, and allows the spring K'to throw the clutch H into engagement in the condition to wind up the yarn.

When the carriage has run in, the latch-rod is knocked off of thepin l, and, by that act,

turns the rocking-shaft 0, so that the upper end of the arm 0 moves toward the drum H, and, acting uponthe incline j, moves the lever J laterally, and withdraws the clutch H, and leaves the drum H at liberty; Thus the engagement and disengagement of the winding mechanism are made to, depend. upon the action of the faller, instead of frictional-devices ,operated by the movements of the main and winding drums, as-was the usual mode of construction.

The copping-rail L, which is mounted generally in the usual way, has attached to its inner end a secondary movable incline, L, which is hinged to the end of the rail,as shown, and, when the rail is below its highest position, the incline L projects above the general line of the surface of therail, as is shown in Fig. l; but when the rail is in its highest position the incline falls down, so that its upper; surface does not project above the surfaceof the'rail, for the reason that the free end of the incline rests upon an adjusting-screw, a, in the Isliding shoe b, by which the rail is raised and lowercd, as usual, by resting upon its inclined surface. The purpose of this secondary incline L is to give the faller a short downward movement just beforethe carriage is at its inward limit of the point of movement, called the ducking motion, to reverse the direction of winding, for a moment, upon the point of the cop or bobbin, during the last part of its formation, to make it firmer. M is the radial arm of the winding mechanism. Itis mounted on a wheel, M, and is driven by a cord from the carriage, which winds upon the drum N upon the pinion-shaft N, which drives the wheel M in the usual manner. The arm M is provided with a sliding block, P, adjusted by a screw, P, which is worked underthe control of the counter-faller, as has been before done. The block P is provided with a sheave, Q, around which the winding chain passes, as -shown, the end of the chain being attached to some fixed point on the winding-drum, so that the sheaveis in the loop of the chain so formed, and the effect produced upon the winding-chain by the movement of the radial arm is twice as great as it would be if the chain were attached directly to the block in the usual way.

By this arrangement the radial arm is required to'be but one-half of the length that is required when the chain is attached to the "block P, as is usual; and thispart of the ma chinery can thereby be made so low that the spindle carriage can pass over it. B is the faller-shaft, and S is the counter-faller shaft, constructed and operated, mainly,

as usual, excepting the mechanism for locking and regcurved bar or incline R the free end of which rests upon the counter-faller shaft S, as shown. T is the counterpoise of the counter faller, which is connected with the same by the rod T as usual. It also has another rod, T which extends upward between the faller-shafts, and is I provided with a roller, T at its upper end,

which rests upon the bar R of the taller, as shown in Fig.1, in the position whichthey occupy when not in operation. In this'posimill 011 of the parts the arm upon the faller holds 7 up the counterpoise T, and prevents the counter-faller from touching the yarn; but when the faller is depressed, the upper end of the arm R and incline R move out from beneath theroller T, which descends along the upper :surface of the bar or incline R and gradually --brings the counter-faller into action without a shock. U and V are the friction-cones for giv- 3 .ing the backingotf movement, as usual, one or both ofwhich are usually made with arms; 1 butin this ;,,disks, so as to form an .inclosed space between them, as seen in Fig. 6, to make an air-cushion, to prevent the shock of a too sudden case the centers are made with engagevln'ent, which was produced in my previous mafohines by the cones being thrown into engagenient by a spring-shipper. Thisiresistance is adjusted by making a hole, h, in one of the disks of the proper size, or providing it with,

a valve, m, upon the inside, which resists-the escape of the air, and allows the cones to be separated without forming a vacuum between them but, in practice,I have found that, by the use of the hole h alone, of the proper size, the objectionableshock is prevented.

What I claim is p 1' l. The catch or block G, for holding the shipper of the running-out scroll, in combination with the main shipper-shaft W, substantially as described.

2. The combination of the latch F with the floor-slide and its spring and theincline f of the floor-rod,'or their equivalents, co operating substantially as described.

3. The combinationof the clutch H on the main drum with the latch-rod, or its equivalent, which operates the faller by means of the rocker-shaft o and its accessories, or their equivalent, substantially as described.

'4. The secondary piece L, in combination with the copping-rail L, for producing the ducking motion of the faller, substantiallyas described.

5. The inclined bar B and arm B upon the faller-shaft, or its equivalent, in combination with the mechanism for operating the counterfaller, substantially as described.

6. The backing-01f cones, constructedas described,to form .an air cushion the purpose specified.

Executed October 29. 1873.

PETER MCGOVERN'. Witnesses; v i

N. G. LOMBARD, WM. 0. HIBBARD.

and vent, for 

